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-rw-r--r--sound/soc/codecs/max9867.c505
1 files changed, 260 insertions, 245 deletions
diff --git a/sound/soc/codecs/max9867.c b/sound/soc/codecs/max9867.c
index 4ea3287162ad..8600c5439e1e 100644
--- a/sound/soc/codecs/max9867.c
+++ b/sound/soc/codecs/max9867.c
@@ -1,12 +1,10 @@
-/*
- * max9867.c -- max9867 ALSA SoC Audio driver
- *
- * Copyright 2013-15 Maxim Integrated Products
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
+// SPDX-License-Identifier: GPL-2.0
+//
+// MAX9867 ALSA SoC codec driver
+//
+// Copyright 2013-2015 Maxim Integrated Products
+// Copyright 2018 Ladislav Michl <ladis@linux-mips.org>
+//
#include <linux/delay.h>
#include <linux/i2c.h>
@@ -23,254 +21,237 @@ static const char *const max9867_spmode[] = {
"Stereo Single", "Mono Single",
"Stereo Single Fast", "Mono Single Fast"
};
-static const char *const max9867_sidetone_text[] = {
- "None", "Left", "Right", "LeftRight", "LeftRightDiv2",
-};
static const char *const max9867_filter_text[] = {"IIR", "FIR"};
static SOC_ENUM_SINGLE_DECL(max9867_filter, MAX9867_CODECFLTR, 7,
max9867_filter_text);
static SOC_ENUM_SINGLE_DECL(max9867_spkmode, MAX9867_MODECONFIG, 0,
max9867_spmode);
-static SOC_ENUM_SINGLE_DECL(max9867_sidetone, MAX9867_DACGAIN, 6,
- max9867_sidetone_text);
-static DECLARE_TLV_DB_SCALE(max9860_capture_tlv, -600, 200, 0);
-static DECLARE_TLV_DB_SCALE(max9860_mic_tlv, 2000, 100, 1);
-static DECLARE_TLV_DB_SCALE(max9860_adc_left_tlv, -1200, 100, 1);
-static DECLARE_TLV_DB_SCALE(max9860_adc_right_tlv, -1200, 100, 1);
-static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(max98088_micboost_tlv,
- 0, 1, TLV_DB_SCALE_ITEM(0, 2000, 0),
- 2, 2, TLV_DB_SCALE_ITEM(3000, 0, 0),
+static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(max9867_master_tlv,
+ 0, 2, TLV_DB_SCALE_ITEM(-8600, 200, 1),
+ 3, 17, TLV_DB_SCALE_ITEM(-7800, 400, 0),
+ 18, 25, TLV_DB_SCALE_ITEM(-2000, 200, 0),
+ 26, 34, TLV_DB_SCALE_ITEM( -500, 100, 0),
+ 35, 40, TLV_DB_SCALE_ITEM( 350, 50, 0),
+);
+static DECLARE_TLV_DB_SCALE(max9867_mic_tlv, 0, 100, 0);
+static DECLARE_TLV_DB_SCALE(max9867_line_tlv, -600, 200, 0);
+static DECLARE_TLV_DB_SCALE(max9867_adc_tlv, -1200, 100, 0);
+static DECLARE_TLV_DB_SCALE(max9867_dac_tlv, -1500, 100, 0);
+static DECLARE_TLV_DB_SCALE(max9867_dacboost_tlv, 0, 600, 0);
+static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(max9867_micboost_tlv,
+ 0, 2, TLV_DB_SCALE_ITEM(-2000, 2000, 1),
+ 3, 3, TLV_DB_SCALE_ITEM(3000, 0, 0),
);
static const struct snd_kcontrol_new max9867_snd_controls[] = {
- SOC_DOUBLE_R("Master Playback Volume", MAX9867_LEFTVOL,
- MAX9867_RIGHTVOL, 0, 63, 1),
- SOC_DOUBLE_R_TLV("Capture Volume", MAX9867_LEFTMICGAIN,
- MAX9867_RIGHTMICGAIN,
- 0, 15, 1, max9860_capture_tlv),
- SOC_DOUBLE_R_TLV("Mic Volume", MAX9867_LEFTMICGAIN,
- MAX9867_RIGHTMICGAIN, 0, 31, 1, max9860_mic_tlv),
- SOC_DOUBLE_R_TLV("Mic Boost Volume", MAX9867_LEFTMICGAIN,
- MAX9867_RIGHTMICGAIN, 5, 3, 0, max98088_micboost_tlv),
- SOC_ENUM("Digital Sidetone Src", max9867_sidetone),
- SOC_SINGLE("Sidetone Volume", MAX9867_DACGAIN, 0, 31, 1),
- SOC_SINGLE("DAC Volume", MAX9867_DACLEVEL, 4, 3, 0),
- SOC_SINGLE("DAC Attenuation", MAX9867_DACLEVEL, 0, 15, 1),
- SOC_SINGLE_TLV("ADC Left Volume", MAX9867_ADCLEVEL,
- 4, 15, 1, max9860_adc_left_tlv),
- SOC_SINGLE_TLV("ADC Right Volume", MAX9867_ADCLEVEL,
- 0, 15, 1, max9860_adc_right_tlv),
+ SOC_DOUBLE_R_TLV("Master Playback Volume", MAX9867_LEFTVOL,
+ MAX9867_RIGHTVOL, 0, 41, 1, max9867_master_tlv),
+ SOC_DOUBLE_R_TLV("Line Capture Volume", MAX9867_LEFTLINELVL,
+ MAX9867_RIGHTLINELVL, 0, 15, 1, max9867_line_tlv),
+ SOC_DOUBLE_R_TLV("Mic Capture Volume", MAX9867_LEFTMICGAIN,
+ MAX9867_RIGHTMICGAIN, 0, 20, 1, max9867_mic_tlv),
+ SOC_DOUBLE_R_TLV("Mic Boost Capture Volume", MAX9867_LEFTMICGAIN,
+ MAX9867_RIGHTMICGAIN, 5, 4, 0, max9867_micboost_tlv),
+ SOC_SINGLE("Digital Sidetone Volume", MAX9867_SIDETONE, 0, 31, 1),
+ SOC_SINGLE_TLV("Digital Playback Volume", MAX9867_DACLEVEL, 0, 15, 1,
+ max9867_dac_tlv),
+ SOC_SINGLE_TLV("Digital Boost Playback Volume", MAX9867_DACLEVEL, 4, 3, 0,
+ max9867_dacboost_tlv),
+ SOC_DOUBLE_TLV("Digital Capture Volume", MAX9867_ADCLEVEL, 0, 4, 15, 1,
+ max9867_adc_tlv),
SOC_ENUM("Speaker Mode", max9867_spkmode),
SOC_SINGLE("Volume Smoothing Switch", MAX9867_MODECONFIG, 6, 1, 0),
- SOC_SINGLE("ZCD Switch", MAX9867_MODECONFIG, 5, 1, 0),
+ SOC_SINGLE("Line ZC Switch", MAX9867_MODECONFIG, 5, 1, 0),
SOC_ENUM("DSP Filter", max9867_filter),
};
-static const char *const max9867_mux[] = {"None", "Mic", "Line", "Mic_Line"};
+/* Input mixer */
+static const struct snd_kcontrol_new max9867_input_mixer_controls[] = {
+ SOC_DAPM_DOUBLE("Line Capture Switch", MAX9867_INPUTCONFIG, 7, 5, 1, 0),
+ SOC_DAPM_DOUBLE("Mic Capture Switch", MAX9867_INPUTCONFIG, 6, 4, 1, 0),
+};
+
+/* Output mixer */
+static const struct snd_kcontrol_new max9867_output_mixer_controls[] = {
+ SOC_DAPM_DOUBLE_R("Line Bypass Switch",
+ MAX9867_LEFTLINELVL, MAX9867_RIGHTLINELVL, 6, 1, 1),
+};
-static SOC_ENUM_SINGLE_DECL(max9867_mux_enum,
- MAX9867_INPUTCONFIG, MAX9867_INPUT_SHIFT,
- max9867_mux);
+/* Sidetone mixer */
+static const struct snd_kcontrol_new max9867_sidetone_mixer_controls[] = {
+ SOC_DAPM_DOUBLE("Sidetone Switch", MAX9867_SIDETONE, 6, 7, 1, 0),
+};
-static const struct snd_kcontrol_new max9867_dapm_mux_controls =
- SOC_DAPM_ENUM("Route", max9867_mux_enum);
+/* Line out switch */
+static const struct snd_kcontrol_new max9867_line_out_control =
+ SOC_DAPM_DOUBLE_R("Switch",
+ MAX9867_LEFTVOL, MAX9867_RIGHTVOL, 6, 1, 1);
-static const struct snd_kcontrol_new max9867_left_dapm_control =
- SOC_DAPM_SINGLE("Switch", MAX9867_PWRMAN, 6, 1, 0);
-static const struct snd_kcontrol_new max9867_right_dapm_control =
- SOC_DAPM_SINGLE("Switch", MAX9867_PWRMAN, 5, 1, 0);
-static const struct snd_kcontrol_new max9867_line_dapm_control =
- SOC_DAPM_SINGLE("Switch", MAX9867_LEFTLINELVL, 6, 1, 1);
static const struct snd_soc_dapm_widget max9867_dapm_widgets[] = {
- SND_SOC_DAPM_AIF_IN("DAI_OUT", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_DAC("Left DAC", NULL, MAX9867_PWRMAN, 3, 0),
- SND_SOC_DAPM_DAC("Right DAC", NULL, MAX9867_PWRMAN, 2, 0),
- SND_SOC_DAPM_MIXER("Output Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
- SND_SOC_DAPM_OUTPUT("HPOUT"),
-
- SND_SOC_DAPM_AIF_IN("DAI_IN", "HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_ADC("Left ADC", "HiFi Capture", MAX9867_PWRMAN, 1, 0),
- SND_SOC_DAPM_ADC("Right ADC", "HiFi Capture", MAX9867_PWRMAN, 0, 0),
- SND_SOC_DAPM_MUX("Input Mux", SND_SOC_NOPM, 0, 0,
- &max9867_dapm_mux_controls),
-
- SND_SOC_DAPM_MIXER("Input Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
- SND_SOC_DAPM_SWITCH("Left Line", MAX9867_LEFTLINELVL, 6, 1,
- &max9867_left_dapm_control),
- SND_SOC_DAPM_SWITCH("Right Line", MAX9867_RIGTHLINELVL, 6, 1,
- &max9867_right_dapm_control),
- SND_SOC_DAPM_SWITCH("Line Mixer", SND_SOC_NOPM, 0, 0,
- &max9867_line_dapm_control),
- SND_SOC_DAPM_INPUT("LINE_IN"),
+ SND_SOC_DAPM_INPUT("MICL"),
+ SND_SOC_DAPM_INPUT("MICR"),
+ SND_SOC_DAPM_INPUT("LINL"),
+ SND_SOC_DAPM_INPUT("LINR"),
+
+ SND_SOC_DAPM_PGA("Left Line Input", MAX9867_PWRMAN, 6, 0, NULL, 0),
+ SND_SOC_DAPM_PGA("Right Line Input", MAX9867_PWRMAN, 5, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER_NAMED_CTL("Input Mixer", SND_SOC_NOPM, 0, 0,
+ max9867_input_mixer_controls,
+ ARRAY_SIZE(max9867_input_mixer_controls)),
+ SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", MAX9867_PWRMAN, 1, 0),
+ SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", MAX9867_PWRMAN, 0, 0),
+
+ SND_SOC_DAPM_MIXER("Digital", SND_SOC_NOPM, 0, 0,
+ max9867_sidetone_mixer_controls,
+ ARRAY_SIZE(max9867_sidetone_mixer_controls)),
+ SND_SOC_DAPM_MIXER_NAMED_CTL("Output Mixer", SND_SOC_NOPM, 0, 0,
+ max9867_output_mixer_controls,
+ ARRAY_SIZE(max9867_output_mixer_controls)),
+ SND_SOC_DAPM_DAC("DACL", "HiFi Playback", MAX9867_PWRMAN, 3, 0),
+ SND_SOC_DAPM_DAC("DACR", "HiFi Playback", MAX9867_PWRMAN, 2, 0),
+ SND_SOC_DAPM_SWITCH("Master Playback", SND_SOC_NOPM, 0, 0,
+ &max9867_line_out_control),
+ SND_SOC_DAPM_OUTPUT("LOUT"),
+ SND_SOC_DAPM_OUTPUT("ROUT"),
};
static const struct snd_soc_dapm_route max9867_audio_map[] = {
- {"Left DAC", NULL, "DAI_OUT"},
- {"Right DAC", NULL, "DAI_OUT"},
- {"Output Mixer", NULL, "Left DAC"},
- {"Output Mixer", NULL, "Right DAC"},
- {"HPOUT", NULL, "Output Mixer"},
-
- {"Left ADC", NULL, "DAI_IN"},
- {"Right ADC", NULL, "DAI_IN"},
- {"Input Mixer", NULL, "Left ADC"},
- {"Input Mixer", NULL, "Right ADC"},
- {"Input Mux", "Line", "Input Mixer"},
- {"Input Mux", "Mic", "Input Mixer"},
- {"Input Mux", "Mic_Line", "Input Mixer"},
- {"Right Line", "Switch", "Input Mux"},
- {"Left Line", "Switch", "Input Mux"},
- {"LINE_IN", NULL, "Left Line"},
- {"LINE_IN", NULL, "Right Line"},
+ {"Left Line Input", NULL, "LINL"},
+ {"Right Line Input", NULL, "LINR"},
+ {"Input Mixer", "Mic Capture Switch", "MICL"},
+ {"Input Mixer", "Mic Capture Switch", "MICR"},
+ {"Input Mixer", "Line Capture Switch", "Left Line Input"},
+ {"Input Mixer", "Line Capture Switch", "Right Line Input"},
+ {"ADCL", NULL, "Input Mixer"},
+ {"ADCR", NULL, "Input Mixer"},
+
+ {"Digital", "Sidetone Switch", "ADCL"},
+ {"Digital", "Sidetone Switch", "ADCR"},
+ {"DACL", NULL, "Digital"},
+ {"DACR", NULL, "Digital"},
+
+ {"Output Mixer", "Line Bypass Switch", "Left Line Input"},
+ {"Output Mixer", "Line Bypass Switch", "Right Line Input"},
+ {"Output Mixer", NULL, "DACL"},
+ {"Output Mixer", NULL, "DACR"},
+ {"Master Playback", "Switch", "Output Mixer"},
+ {"LOUT", NULL, "Master Playback"},
+ {"ROUT", NULL, "Master Playback"},
+};
+
+static const unsigned int max9867_rates_44k1[] = {
+ 11025, 22050, 44100,
+};
+
+static const struct snd_pcm_hw_constraint_list max9867_constraints_44k1 = {
+ .list = max9867_rates_44k1,
+ .count = ARRAY_SIZE(max9867_rates_44k1),
};
-enum rates {
- pcm_rate_8, pcm_rate_16, pcm_rate_24,
- pcm_rate_32, pcm_rate_44,
- pcm_rate_48, max_pcm_rate,
+static const unsigned int max9867_rates_48k[] = {
+ 8000, 16000, 32000, 48000,
};
-static const struct ni_div_rates {
- u32 mclk;
- u16 ni[max_pcm_rate];
-} ni_div[] = {
- {11289600, {0x116A, 0x22D4, 0x343F, 0x45A9, 0x6000, 0x687D} },
- {12000000, {0x1062, 0x20C5, 0x3127, 0x4189, 0x5A51, 0x624E} },
- {12288000, {0x1000, 0x2000, 0x3000, 0x4000, 0x5833, 0x6000} },
- {13000000, {0x0F20, 0x1E3F, 0x2D5F, 0x3C7F, 0x535F, 0x5ABE} },
- {19200000, {0x0A3D, 0x147B, 0x1EB8, 0x28F6, 0x3873, 0x3D71} },
- {24000000, {0x1062, 0x20C5, 0x1893, 0x4189, 0x5A51, 0x624E} },
- {26000000, {0x0F20, 0x1E3F, 0x16AF, 0x3C7F, 0x535F, 0x5ABE} },
- {27000000, {0x0E90, 0x1D21, 0x15D8, 0x3A41, 0x5048, 0x5762} },
+static const struct snd_pcm_hw_constraint_list max9867_constraints_48k = {
+ .list = max9867_rates_48k,
+ .count = ARRAY_SIZE(max9867_rates_48k),
};
-static inline int get_ni_value(int mclk, int rate)
+struct max9867_priv {
+ struct regmap *regmap;
+ const struct snd_pcm_hw_constraint_list *constraints;
+ unsigned int sysclk, pclk;
+ bool master, dsp_a;
+};
+
+static int max9867_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
{
- int i, ret = 0;
+ struct max9867_priv *max9867 =
+ snd_soc_component_get_drvdata(dai->component);
- /* find the closest rate index*/
- for (i = 0; i < ARRAY_SIZE(ni_div); i++) {
- if (ni_div[i].mclk >= mclk)
- break;
- }
- if (i == ARRAY_SIZE(ni_div))
- return -EINVAL;
+ if (max9867->constraints)
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE, max9867->constraints);
- switch (rate) {
- case 8000:
- return ni_div[i].ni[pcm_rate_8];
- case 16000:
- return ni_div[i].ni[pcm_rate_16];
- case 32000:
- return ni_div[i].ni[pcm_rate_32];
- case 44100:
- return ni_div[i].ni[pcm_rate_44];
- case 48000:
- return ni_div[i].ni[pcm_rate_48];
- default:
- pr_err("%s wrong rate %d\n", __func__, rate);
- ret = -EINVAL;
- }
- return ret;
+ return 0;
}
static int max9867_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
{
+ int value;
+ unsigned long int rate, ratio;
struct snd_soc_component *component = dai->component;
struct max9867_priv *max9867 = snd_soc_component_get_drvdata(component);
- unsigned int ni_h, ni_l;
- int value;
+ unsigned int ni = DIV_ROUND_CLOSEST_ULL(96ULL * 0x10000 * params_rate(params),
+ max9867->pclk);
- value = get_ni_value(max9867->sysclk, params_rate(params));
- if (value < 0)
- return value;
-
- ni_h = (0xFF00 & value) >> 8;
- ni_l = 0x00FF & value;
/* set up the ni value */
regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKHIGH,
- MAX9867_NI_HIGH_MASK, ni_h);
+ MAX9867_NI_HIGH_MASK, (0xFF00 & ni) >> 8);
regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKLOW,
- MAX9867_NI_LOW_MASK, ni_l);
- if (!max9867->master) {
- /*
- * digital pll locks on to any externally supplied LRCLK signal
- * and also enable rapid lock mode.
- */
- regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKLOW,
- MAX9867_RAPID_LOCK, MAX9867_RAPID_LOCK);
- regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKHIGH,
- MAX9867_PLL, MAX9867_PLL);
- } else {
- unsigned long int bclk_rate, pclk_bclk_ratio;
- int bclk_value;
-
- bclk_rate = params_rate(params) * 2 * params_width(params);
- pclk_bclk_ratio = max9867->pclk/bclk_rate;
- switch (params_width(params)) {
- case 8:
- case 16:
- switch (pclk_bclk_ratio) {
- case 2:
- bclk_value = MAX9867_IFC1B_PCLK_2;
- break;
- case 4:
- bclk_value = MAX9867_IFC1B_PCLK_4;
- break;
+ MAX9867_NI_LOW_MASK, 0x00FF & ni);
+ if (max9867->master) {
+ if (max9867->dsp_a) {
+ value = MAX9867_IFC1B_48X;
+ } else {
+ rate = params_rate(params) * 2 * params_width(params);
+ ratio = max9867->pclk / rate;
+ switch (params_width(params)) {
case 8:
- bclk_value = MAX9867_IFC1B_PCLK_8;
- break;
case 16:
- bclk_value = MAX9867_IFC1B_PCLK_16;
+ switch (ratio) {
+ case 2:
+ value = MAX9867_IFC1B_PCLK_2;
+ break;
+ case 4:
+ value = MAX9867_IFC1B_PCLK_4;
+ break;
+ case 8:
+ value = MAX9867_IFC1B_PCLK_8;
+ break;
+ case 16:
+ value = MAX9867_IFC1B_PCLK_16;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case 24:
+ value = MAX9867_IFC1B_48X;
+ break;
+ case 32:
+ value = MAX9867_IFC1B_64X;
break;
default:
- dev_err(component->dev,
- "unsupported sampling rate\n");
return -EINVAL;
}
- break;
- case 24:
- bclk_value = MAX9867_IFC1B_24BIT;
- break;
- case 32:
- bclk_value = MAX9867_IFC1B_32BIT;
- break;
- default:
- dev_err(component->dev, "unsupported sampling rate\n");
- return -EINVAL;
}
regmap_update_bits(max9867->regmap, MAX9867_IFC1B,
- MAX9867_IFC1B_BCLK_MASK, bclk_value);
+ MAX9867_IFC1B_BCLK_MASK, value);
+ } else {
+ /*
+ * digital pll locks on to any externally supplied LRCLK signal
+ * and also enable rapid lock mode.
+ */
+ regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKLOW,
+ MAX9867_RAPID_LOCK, MAX9867_RAPID_LOCK);
+ regmap_update_bits(max9867->regmap, MAX9867_AUDIOCLKHIGH,
+ MAX9867_PLL, MAX9867_PLL);
}
return 0;
}
-static int max9867_prepare(struct snd_pcm_substream *substream,
- struct snd_soc_dai *dai)
-{
- struct snd_soc_component *component = dai->component;
- struct max9867_priv *max9867 = snd_soc_component_get_drvdata(component);
-
- regmap_update_bits(max9867->regmap, MAX9867_PWRMAN,
- MAX9867_SHTDOWN_MASK, MAX9867_SHTDOWN_MASK);
- return 0;
-}
-
static int max9867_mute(struct snd_soc_dai *dai, int mute)
{
struct snd_soc_component *component = dai->component;
struct max9867_priv *max9867 = snd_soc_component_get_drvdata(component);
- if (mute)
- regmap_update_bits(max9867->regmap, MAX9867_DACLEVEL,
- MAX9867_DAC_MUTE_MASK, MAX9867_DAC_MUTE_MASK);
- else
- regmap_update_bits(max9867->regmap, MAX9867_DACLEVEL,
- MAX9867_DAC_MUTE_MASK, 0);
- return 0;
+ return regmap_update_bits(max9867->regmap, MAX9867_DACLEVEL,
+ 1 << 6, !!mute << 6);
}
static int max9867_set_dai_sysclk(struct snd_soc_dai *codec_dai,
@@ -283,21 +264,29 @@ static int max9867_set_dai_sysclk(struct snd_soc_dai *codec_dai,
/* Set the prescaler based on the master clock frequency*/
if (freq >= 10000000 && freq <= 20000000) {
value |= MAX9867_PSCLK_10_20;
- max9867->pclk = freq;
+ max9867->pclk = freq;
} else if (freq >= 20000000 && freq <= 40000000) {
value |= MAX9867_PSCLK_20_40;
- max9867->pclk = freq/2;
+ max9867->pclk = freq / 2;
} else if (freq >= 40000000 && freq <= 60000000) {
value |= MAX9867_PSCLK_40_60;
- max9867->pclk = freq/4;
+ max9867->pclk = freq / 4;
} else {
dev_err(component->dev,
"Invalid clock frequency %uHz (required 10-60MHz)\n",
freq);
return -EINVAL;
}
- value = value << MAX9867_PSCLK_SHIFT;
+ if (freq % 48000 == 0)
+ max9867->constraints = &max9867_constraints_48k;
+ else if (freq % 44100 == 0)
+ max9867->constraints = &max9867_constraints_44k1;
+ else
+ dev_warn(component->dev,
+ "Unable to set exact rate with %uHz clock frequency\n",
+ freq);
max9867->sysclk = freq;
+ value = value << MAX9867_PSCLK_SHIFT;
/* exact integer mode is not supported */
value &= ~MAX9867_FREQ_MASK;
regmap_update_bits(max9867->regmap, MAX9867_SYSCLK,
@@ -310,16 +299,17 @@ static int max9867_dai_set_fmt(struct snd_soc_dai *codec_dai,
{
struct snd_soc_component *component = codec_dai->component;
struct max9867_priv *max9867 = snd_soc_component_get_drvdata(component);
- u8 iface1A = 0, iface1B = 0;
+ u8 iface1A, iface1B;
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
case SND_SOC_DAIFMT_CBM_CFM:
- max9867->master = 1;
- iface1A |= MAX9867_MASTER;
+ max9867->master = true;
+ iface1A = MAX9867_MASTER;
+ iface1B = MAX9867_IFC1B_48X;
break;
case SND_SOC_DAIFMT_CBS_CFS:
- max9867->master = 0;
- iface1A &= ~MAX9867_MASTER;
+ max9867->master = false;
+ iface1A = iface1B = 0;
break;
default:
return -EINVAL;
@@ -327,9 +317,11 @@ static int max9867_dai_set_fmt(struct snd_soc_dai *codec_dai,
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
+ max9867->dsp_a = false;
iface1A |= MAX9867_I2S_DLY;
break;
case SND_SOC_DAIFMT_DSP_A:
+ max9867->dsp_a = true;
iface1A |= MAX9867_TDM_MODE | MAX9867_SDOUT_HIZ;
break;
default:
@@ -355,21 +347,18 @@ static int max9867_dai_set_fmt(struct snd_soc_dai *codec_dai,
regmap_write(max9867->regmap, MAX9867_IFC1A, iface1A);
regmap_write(max9867->regmap, MAX9867_IFC1B, iface1B);
+
return 0;
}
static const struct snd_soc_dai_ops max9867_dai_ops = {
- .set_fmt = max9867_dai_set_fmt,
.set_sysclk = max9867_set_dai_sysclk,
- .prepare = max9867_prepare,
+ .set_fmt = max9867_dai_set_fmt,
.digital_mute = max9867_mute,
- .hw_params = max9867_dai_hw_params,
+ .startup = max9867_startup,
+ .hw_params = max9867_dai_hw_params,
};
-#define MAX9867_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
- SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
-#define MAX9867_FORMATS (SNDRV_PCM_FMTBIT_S16_LE)
-
static struct snd_soc_dai_driver max9867_dai[] = {
{
.name = "max9867-aif1",
@@ -377,42 +366,74 @@ static struct snd_soc_dai_driver max9867_dai[] = {
.stream_name = "HiFi Playback",
.channels_min = 2,
.channels_max = 2,
- .rates = MAX9867_RATES,
- .formats = MAX9867_FORMATS,
+ .rates = SNDRV_PCM_RATE_8000_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.capture = {
.stream_name = "HiFi Capture",
.channels_min = 2,
.channels_max = 2,
- .rates = MAX9867_RATES,
- .formats = MAX9867_FORMATS,
+ .rates = SNDRV_PCM_RATE_8000_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.ops = &max9867_dai_ops,
.symmetric_rates = 1,
}
};
-#ifdef CONFIG_PM_SLEEP
-static int max9867_suspend(struct device *dev)
+#ifdef CONFIG_PM
+static int max9867_suspend(struct snd_soc_component *component)
{
- struct max9867_priv *max9867 = dev_get_drvdata(dev);
+ snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
- /* Drop down to power saving mode when system is suspended */
- regmap_update_bits(max9867->regmap, MAX9867_PWRMAN,
- MAX9867_SHTDOWN_MASK, ~MAX9867_SHTDOWN_MASK);
return 0;
}
-static int max9867_resume(struct device *dev)
+static int max9867_resume(struct snd_soc_component *component)
{
- struct max9867_priv *max9867 = dev_get_drvdata(dev);
+ snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
- regmap_update_bits(max9867->regmap, MAX9867_PWRMAN,
- MAX9867_SHTDOWN_MASK, MAX9867_SHTDOWN_MASK);
return 0;
}
+#else
+#define max9867_suspend NULL
+#define max9867_resume NULL
#endif
+static int max9867_set_bias_level(struct snd_soc_component *component,
+ enum snd_soc_bias_level level)
+{
+ int err;
+ struct max9867_priv *max9867 = snd_soc_component_get_drvdata(component);
+
+ switch (level) {
+ case SND_SOC_BIAS_STANDBY:
+ if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
+ err = regcache_sync(max9867->regmap);
+ if (err)
+ return err;
+
+ err = regmap_update_bits(max9867->regmap, MAX9867_PWRMAN,
+ MAX9867_SHTDOWN, MAX9867_SHTDOWN);
+ if (err)
+ return err;
+ }
+ break;
+ case SND_SOC_BIAS_OFF:
+ err = regmap_update_bits(max9867->regmap, MAX9867_PWRMAN,
+ MAX9867_SHTDOWN, 0);
+ if (err)
+ return err;
+
+ regcache_mark_dirty(max9867->regmap);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
static const struct snd_soc_component_driver max9867_component = {
.controls = max9867_snd_controls,
.num_controls = ARRAY_SIZE(max9867_snd_controls),
@@ -420,6 +441,9 @@ static const struct snd_soc_component_driver max9867_component = {
.num_dapm_routes = ARRAY_SIZE(max9867_audio_map),
.dapm_widgets = max9867_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(max9867_dapm_widgets),
+ .suspend = max9867_suspend,
+ .resume = max9867_resume,
+ .set_bias_level = max9867_set_bias_level,
.idle_bias_on = 1,
.use_pmdown_time = 1,
.endianness = 1,
@@ -450,8 +474,8 @@ static const struct reg_default max9867_reg[] = {
{ 0x0B, 0x00 },
{ 0x0C, 0x00 },
{ 0x0D, 0x00 },
- { 0x0E, 0x00 },
- { 0x0F, 0x00 },
+ { 0x0E, 0x40 },
+ { 0x0F, 0x40 },
{ 0x10, 0x00 },
{ 0x11, 0x00 },
{ 0x12, 0x00 },
@@ -476,10 +500,9 @@ static int max9867_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct max9867_priv *max9867;
- int ret = 0, reg;
+ int ret, reg;
- max9867 = devm_kzalloc(&i2c->dev,
- sizeof(*max9867), GFP_KERNEL);
+ max9867 = devm_kzalloc(&i2c->dev, sizeof(*max9867), GFP_KERNEL);
if (!max9867)
return -ENOMEM;
@@ -490,8 +513,7 @@ static int max9867_i2c_probe(struct i2c_client *i2c,
dev_err(&i2c->dev, "Failed to allocate regmap: %d\n", ret);
return ret;
}
- ret = regmap_read(max9867->regmap,
- MAX9867_REVISION, &reg);
+ ret = regmap_read(max9867->regmap, MAX9867_REVISION, &reg);
if (ret < 0) {
dev_err(&i2c->dev, "Failed to read: %d\n", ret);
return ret;
@@ -499,10 +521,8 @@ static int max9867_i2c_probe(struct i2c_client *i2c,
dev_info(&i2c->dev, "device revision: %x\n", reg);
ret = devm_snd_soc_register_component(&i2c->dev, &max9867_component,
max9867_dai, ARRAY_SIZE(max9867_dai));
- if (ret < 0) {
+ if (ret < 0)
dev_err(&i2c->dev, "Failed to register component: %d\n", ret);
- return ret;
- }
return ret;
}
@@ -518,15 +538,10 @@ static const struct of_device_id max9867_of_match[] = {
};
MODULE_DEVICE_TABLE(of, max9867_of_match);
-static const struct dev_pm_ops max9867_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(max9867_suspend, max9867_resume)
-};
-
static struct i2c_driver max9867_i2c_driver = {
.driver = {
.name = "max9867",
.of_match_table = of_match_ptr(max9867_of_match),
- .pm = &max9867_pm_ops,
},
.probe = max9867_i2c_probe,
.id_table = max9867_i2c_id,
@@ -534,6 +549,6 @@ static struct i2c_driver max9867_i2c_driver = {
module_i2c_driver(max9867_i2c_driver);
-MODULE_AUTHOR("anish kumar <yesanishhere@gmail.com>");
-MODULE_DESCRIPTION("ALSA SoC MAX9867 driver");
+MODULE_AUTHOR("Ladislav Michl <ladis@linux-mips.org>");
+MODULE_DESCRIPTION("ASoC MAX9867 driver");
MODULE_LICENSE("GPL");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.